1·Unlike African rhinos, Indian rhinos don't gore an enemy with the spike on their heads. They bite with large, sharp lower incisors.
和非洲犀牛不一样，印度犀牛不会用额头上的角对刺，它们的武器是巨大且锋利的下门齿。
2·Tusks are modified incisors that are embedded, with enormous nerves, deep into the skull of an elephant.
象牙由门齿进化而来，它们深深的嵌在大象的头骨中，与无数神经相连。
3·The incisors meet with a scissors grip.
该门齿满足与剪刀抓地力。
1·Objective: To study the influence of different concentrations of Pu 'er tea, ripe tea on the demineralization rate of bovine incisors.
目的：研究不同浓度的普洱生茶、熟茶对牛切牙脱矿速率的影响。